Winter is actually one of the best times to test your soil pH. The cold slows down changes in the soil, so your results are ...

Hans also sent a letter to chancellors on Nov. 2 suggesting strategies for the end of the fall semester and spring, including re-entry and surveillance testing. Those efforts are intended to keep ...

Penn community members getting tested for COVID-19 at the DuBois/Rodin Field testing site on Jan. 19. Credit: Kylie Cooper As students make their way back to campus for the spring semester, the threat ...

Spring manufacturers have given attention to ensure the quality of springs by testing them under different ranges of compression and tension forces. These tests help a manufacturer to determine the ...